Which statement best describes how protons were discovered?
a They were observed under a powerful microscope.
b
They were measured using strong magnets to
separate the charges within the atom.
с
A cathode ray tube experiment revealed the
existence of negatively charged particles.
A cathode ray tube revealed a ray of positive
d particles traveling in the opposite direction of
negative electrons.

the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.

because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.

idk what is it? is this a question that you know the answer or u dont